Index: src/runtime/runtime-classes.cc |
diff --git a/src/runtime/runtime-classes.cc b/src/runtime/runtime-classes.cc |
index c13e55eebf3387e7f60a5309dc85d60265e578d2..2165652f031c783e2e5da3f4a9b07b2d2bf7fb3a 100644 |
--- a/src/runtime/runtime-classes.cc |
+++ b/src/runtime/runtime-classes.cc |
@@ -108,7 +108,7 @@ static MaybeHandle<Object> DefineClass(Isolate* isolate, Handle<Object> name, |
isolate->factory()->prototype_string(), |
SLOPPY), |
Object); |
- if (!prototype_parent->IsNull() && !prototype_parent->IsSpecObject()) { |
+ if (!prototype_parent->IsNull() && !prototype_parent->IsJSReceiver()) { |
THROW_NEW_ERROR( |
isolate, NewTypeError(MessageTemplate::kPrototypeParentNotAnObject, |
prototype_parent), |